PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 107R2581-1
107R2581-1 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, bore_diameter: 3.4992 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN, alignment_type: SELF-ALIGNING, inner_ring_width: 1.0050 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN, outer_ring_width: 0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN, style_designator: SEPARABLE INNER RACE, DRAWN SHELL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-725-1530, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
107R2581-1
NSN: 3110-00-725-1530
FSC: 3110
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
bore_diameter3.4992 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN
alignment_typeSELF-ALIGNING
inner_ring_width1.0050 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
outer_ring_width0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
style_designatorSEPARABLE INNER RACE, DRAWN SHELL
surface_treatmentCADMIUM OVERALL
self-alignment_locationINTERNAL
overall_outside_diameter4.3742 INCHES MINIMUM AND 4.3750 INCHES MAXIMUM IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-00-725-1530
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 107R2581-1 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: SEPARABLE INNER RACE, DRAWN SHELL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
BORE DIAMETER: 3.4992 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: SELF-ALIGNING
•
SELF-ALIGNMENT LOCATION: INTERNAL
•
INNER RING WIDTH: 1.0050 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS
•
OVERALL OUTSIDE DIAMETER: 4.3742 INCHES MINIMUM AND 4.3750 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSEPARABLE INNER RACE, DRAWN SHELL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
BORE DIAMETER3.4992 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM IN
ALIGNMENT TYPESELF-ALIGNING
SELF-ALIGNMENT LOCATIONINTERNAL
INNER RING WIDTH1.0050 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME NEEDLE BEARINGS
OVERALL OUTSIDE DIAMETER4.3742 INCHES MINIMUM AND 4.3750 INCHES MAXIMUM IN
OUTER RING WIDTH0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
F1348Interchangeable
interchangeable cross-reference
interchangeable
930409-12Interchangeable
interchangeable cross-reference
interchangeable
RF12469Interchangeable
interchangeable cross-reference
interchangeable
D264Interchangeable
interchangeable cross-reference
interchangeable
401V2416Interchangeable
interchangeable cross-reference
interchangeable
2580-64Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 107R2581-1?
107R2581-1 is a BEARING,ROLLER,NEEDLE.
What parts can replace 107R2581-1?
There are 8 known substitutes for 107R2581-1: F1348, 930409-12, RF12469 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 107R2581-1?
107R2581-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-725-1530. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026